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Initial commit of SZlib
This commit is contained in:
parent
227ae4ca74
commit
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2084
console/szlib/szlib.c
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2084
console/szlib/szlib.c
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407
console/szlib/szlib.h
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console/szlib/szlib.h
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/* szlib.h -- internal interface and configuration of the compression library
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* Copyright (C) 1995-2002 Jean-loup Gailly.
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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#ifndef _SZLIB_H
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#define _SZLIB_H
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#include <stddef.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "zconf.h"
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/* constants */
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#define ZLIB_VERSION "1.1.4"
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#define Z_NO_FLUSH 0
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#define Z_PARTIAL_FLUSH 1 /* will be removed, use Z_SYNC_FLUSH instead */
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#define Z_SYNC_FLUSH 2
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#define Z_FULL_FLUSH 3
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#define Z_FINISH 4
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/* Allowed flush values; see deflate() below for details */
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#define Z_OK 0
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#define Z_STREAM_END 1
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#define Z_NEED_DICT 2
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#define Z_ERRNO (-1)
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#define Z_STREAM_ERROR (-2)
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#define Z_DATA_ERROR (-3)
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#define Z_MEM_ERROR (-4)
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#define Z_BUF_ERROR (-5)
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#define Z_VERSION_ERROR (-6)
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/* Return codes for the compression/decompression functions. Negative
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* values are errors, positive values are used for special but normal events.
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*/
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#define Z_NO_COMPRESSION 0
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#define Z_BEST_SPEED 1
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#define Z_BEST_COMPRESSION 9
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#define Z_DEFAULT_COMPRESSION (-1)
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/* compression levels */
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#define Z_FILTERED 1
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#define Z_HUFFMAN_ONLY 2
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#define Z_DEFAULT_STRATEGY 0
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#define Z_BINARY 0
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#define Z_ASCII 1
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#define Z_UNKNOWN 2
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/* Possible values of the data_type field */
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#define Z_DEFLATED 8
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/* The deflate compression method (the only one supported in this version) */
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#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */
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#define zlib_version zlibVersion()
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/* for compatibility with versions < 1.0.2 */
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typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size));
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typedef void (*free_func) OF((voidpf opaque, voidpf address));
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typedef struct z_stream_s {
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Bytef *next_in; /* next input byte */
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uInt avail_in; /* number of bytes available at next_in */
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uLong total_in; /* total nb of input bytes read so far */
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Bytef *next_out; /* next output byte should be put there */
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uInt avail_out; /* remaining free space at next_out */
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uLong total_out; /* total nb of bytes output so far */
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char *msg; /* last error message, NULL if no error */
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struct internal_state FAR *state; /* not visible by applications */
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alloc_func zalloc; /* used to allocate the internal state */
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free_func zfree; /* used to free the internal state */
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voidpf opaque; /* private data object passed to zalloc and zfree */
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int data_type; /* best guess about the data type: ascii or binary */
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uLong adler; /* adler32 value of the uncompressed data */
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uLong reserved; /* reserved for future use */
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} z_stream;
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typedef z_stream FAR *z_streamp;
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typedef unsigned char uch;
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typedef unsigned char FAR uchf;
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typedef unsigned short ush;
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typedef unsigned short FAR ushf;
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typedef unsigned long ulg;
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extern const char *z_errmsg[10]; /* indexed by 2-zlib_error */
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/* (size given to avoid silly warnings with Visual C++) */
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#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
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#define ERR_RETURN(strm,err) \
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return (strm->msg = (char*)ERR_MSG(err), (err))
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/* To be used only when the state is known to be valid */
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/* common constants */
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#ifndef DEF_WBITS
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# define DEF_WBITS MAX_WBITS
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#endif
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/* default windowBits for decompression. MAX_WBITS is for compression only */
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#if MAX_MEM_LEVEL >= 8
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# define DEF_MEM_LEVEL 8
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#else
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# define DEF_MEM_LEVEL MAX_MEM_LEVEL
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#endif
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/* default memLevel */
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#define STORED_BLOCK 0
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#define STATIC_TREES 1
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#define DYN_TREES 2
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/* The three kinds of block type */
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#define MIN_MATCH 3
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#define MAX_MATCH 258
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/* The minimum and maximum match lengths */
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#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
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/* target dependencies */
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#ifdef WIN32 /* Window 95 & Windows NT */
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# define OS_CODE 0x0b
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#endif
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#if defined(ATARI) || defined(atarist)
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# define OS_CODE 0x05
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#endif
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#if defined(MACOS) || defined(TARGET_OS_MAC)
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# define OS_CODE 0x07
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# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
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# include <unix.h> /* for fdopen */
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# else
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# ifndef fdopen
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# define fdopen(fd,mode) NULL /* No fdopen() */
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# endif
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# endif
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#endif
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#ifdef __50SERIES /* Prime/PRIMOS */
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# define OS_CODE 0x0F
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#endif
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#ifdef TOPS20
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# define OS_CODE 0x0a
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#endif
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#if defined(_BEOS_) || defined(RISCOS)
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# define fdopen(fd,mode) NULL /* No fdopen() */
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#endif
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#if (defined(_MSC_VER) && (_MSC_VER > 600))
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# define fdopen(fd,type) _fdopen(fd,type)
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#endif
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/* Common defaults */
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#ifndef OS_CODE
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# define OS_CODE 0x03 /* assume Unix */
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#endif
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/* functions */
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#ifdef HAVE_STRERROR
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extern char *strerror OF((int));
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# define zstrerror(errnum) strerror(errnum)
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#else
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# define zstrerror(errnum) ""
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#endif
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typedef uLong (ZEXPORT *check_func) OF((uLong check, const Bytef *buf,
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uInt len));
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voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
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void zcfree OF((voidpf opaque, voidpf ptr));
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#define ZALLOC(strm, items, size) \
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(*((strm)->zalloc))((strm)->opaque, (items), (size))
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#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
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/* Huffman code lookup table entry--this entry is four bytes for machines
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that have 16-bit pointers (e.g. PC's in the small or medium model). */
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typedef struct inflate_huft_s FAR inflate_huft;
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struct inflate_huft_s {
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union {
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struct {
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Byte Exop; /* number of extra bits or operation */
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Byte Bits; /* number of bits in this code or subcode */
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} what;
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uInt pad; /* pad structure to a power of 2 (4 bytes for */
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} word; /* 16-bit, 8 bytes for 32-bit int's) */
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uInt base; /* literal, length base, distance base,
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or table offset */
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};
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/* Maximum size of dynamic tree. The maximum found in a long but non-
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exhaustive search was 1004 huft structures (850 for length/literals
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and 154 for distances, the latter actually the result of an
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exhaustive search). The actual maximum is not known, but the
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value below is more than safe. */
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#define MANY 1440
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extern int inflate_trees_bits OF((
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uIntf *, /* 19 code lengths */
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uIntf *, /* bits tree desired/actual depth */
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inflate_huft * FAR *, /* bits tree result */
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inflate_huft *, /* space for trees */
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z_streamp)); /* for messages */
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extern int inflate_trees_dynamic OF((
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uInt, /* number of literal/length codes */
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uInt, /* number of distance codes */
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uIntf *, /* that many (total) code lengths */
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uIntf *, /* literal desired/actual bit depth */
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uIntf *, /* distance desired/actual bit depth */
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inflate_huft * FAR *, /* literal/length tree result */
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inflate_huft * FAR *, /* distance tree result */
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inflate_huft *, /* space for trees */
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z_streamp)); /* for messages */
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extern int inflate_trees_fixed OF((
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uIntf *, /* literal desired/actual bit depth */
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uIntf *, /* distance desired/actual bit depth */
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inflate_huft * FAR *, /* literal/length tree result */
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inflate_huft * FAR *, /* distance tree result */
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z_streamp)); /* for memory allocation */
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struct inflate_blocks_state;
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typedef struct inflate_blocks_state FAR inflate_blocks_statef;
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extern inflate_blocks_statef * inflate_blocks_new OF((
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z_streamp z,
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check_func c, /* check function */
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uInt w)); /* window size */
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extern int inflate_blocks OF((
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inflate_blocks_statef *,
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z_streamp ,
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int)); /* initial return code */
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extern void inflate_blocks_reset OF((
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inflate_blocks_statef *,
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z_streamp ,
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uLongf *)); /* check value on output */
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extern int inflate_blocks_free OF((
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inflate_blocks_statef *,
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z_streamp));
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struct inflate_codes_state;
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typedef struct inflate_codes_state FAR inflate_codes_statef;
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extern inflate_codes_statef *inflate_codes_new OF((
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uInt, uInt,
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inflate_huft *, inflate_huft *,
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z_streamp ));
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extern int inflate_codes OF((
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inflate_blocks_statef *,
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z_streamp ,
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int));
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typedef enum {
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TYPE, /* get type bits (3, including end bit) */
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LENS, /* get lengths for stored */
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STORED, /* processing stored block */
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TABLE, /* get table lengths */
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BTREE, /* get bit lengths tree for a dynamic block */
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DTREE, /* get length, distance trees for a dynamic block */
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CODES, /* processing fixed or dynamic block */
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DRY, /* output remaining window bytes */
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DONE, /* finished last block, done */
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BAD} /* got a data error--stuck here */
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inflate_block_mode;
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/* inflate blocks semi-private state */
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struct inflate_blocks_state {
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/* mode */
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inflate_block_mode mode; /* current inflate_block mode */
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/* mode dependent information */
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union {
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uInt left; /* if STORED, bytes left to copy */
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struct {
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uInt table; /* table lengths (14 bits) */
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uInt index; /* index into blens (or border) */
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uIntf *blens; /* bit lengths of codes */
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uInt bb; /* bit length tree depth */
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inflate_huft *tb; /* bit length decoding tree */
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} trees; /* if DTREE, decoding info for trees */
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struct {
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inflate_codes_statef
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*codes;
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} decode; /* if CODES, current state */
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} sub; /* submode */
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uInt last; /* true if this block is the last block */
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/* mode independent information */
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uInt bitk; /* bits in bit buffer */
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uLong bitb; /* bit buffer */
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inflate_huft *hufts; /* single malloc for tree space */
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Bytef *window; /* sliding window */
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Bytef *end; /* one byte after sliding window */
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Bytef *read; /* window read pointer */
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Bytef *write; /* window write pointer */
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check_func checkfn; /* check function */
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uLong check; /* check on output */
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};
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/* defines for inflate input/output */
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/* update pointers and return */
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#define UPDBITS {s->bitb=b;s->bitk=k;}
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#define UPDIN {z->avail_in=n;z->total_in+=p-z->next_in;z->next_in=p;}
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#define UPDOUT {s->write=q;}
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#define UPDATE {UPDBITS UPDIN UPDOUT}
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#define LEAVE {UPDATE return inflate_flush(s,z,r);}
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/* get bytes and bits */
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#define LOADIN {p=z->next_in;n=z->avail_in;b=s->bitb;k=s->bitk;}
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#define NEEDBYTE {if(n)r=Z_OK;else LEAVE}
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#define NEXTBYTE (n--,*p++)
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#define NEEDBITS(j) {while(k<(j)){NEEDBYTE;b|=((uLong)NEXTBYTE)<<k;k+=8;}}
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#define DUMPBITS(j) {b>>=(j);k-=(j);}
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/* output bytes */
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#define WAVAIL (uInt)(q<s->read?s->read-q-1:s->end-q)
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#define LOADOUT {q=s->write;m=(uInt)WAVAIL;}
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#define WRAP {if(q==s->end&&s->read!=s->window){q=s->window;m=(uInt)WAVAIL;}}
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#define FLUSH {UPDOUT r=inflate_flush(s,z,r); LOADOUT}
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#define NEEDOUT {if(m==0){WRAP if(m==0){FLUSH WRAP if(m==0) LEAVE}}r=Z_OK;}
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#define OUTBYTE(a) {*q++=(Byte)(a);m--;}
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/* load local pointers */
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#define LOAD {LOADIN LOADOUT}
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/* masks for lower bits (size given to avoid silly warnings with Visual C++) */
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extern uInt inflate_mask[17];
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/* copy as much as possible from the sliding window to the output area */
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extern int inflate_flush OF((inflate_blocks_statef *, z_streamp , int));
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// utility functions
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typedef voidp gzFile;
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ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode));
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ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode));
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ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len));
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ZEXTERN int ZEXPORT gzwrite OF((gzFile file,
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const voidp buf, unsigned len));
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ZEXTERN int ZEXPORTVA gzprintf OF((gzFile file, const char *format, ...));
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ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s));
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ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len));
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ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c));
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ZEXTERN int ZEXPORT gzgetc OF((gzFile file));
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ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush));
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ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file,
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z_off_t offset, int whence));
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ZEXTERN int ZEXPORT gzrewind OF((gzFile file));
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ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file));
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ZEXTERN int ZEXPORT gzeof OF((gzFile file));
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ZEXTERN int ZEXPORT gzclose OF((gzFile file));
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ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
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/* checksum functions */
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ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
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ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len));
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/* various hacks, don't look :) */
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ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm,
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const char *version, int stream_size));
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ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits,
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const char *version, int stream_size));
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#define inflateInit(strm) \
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inflateInit_((strm), ZLIB_VERSION, sizeof(z_stream))
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#define inflateInit2(strm, windowBits) \
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inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))
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#endif /* _SZLIB_H */
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116
console/szlib/zconf.h
Normal file
116
console/szlib/zconf.h
Normal file
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/* zconf.h -- configuration of the zlib compression library
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* Copyright (C) 1995-2002 Jean-loup Gailly.
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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#ifndef _ZCONF_H
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#define _ZCONF_H
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#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
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# define WIN32
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#endif
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/* Some Mac compilers merge all .h files incorrectly: */
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#if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__)
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# define NO_DUMMY_DECL
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#endif
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#ifndef MAX_MEM_LEVEL
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# ifdef MAXSEG_64K
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# define MAX_MEM_LEVEL 8
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# else
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# define MAX_MEM_LEVEL 9
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# endif
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#endif
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#ifndef MAX_WBITS
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# define MAX_WBITS 15 /* 32K LZ77 window */
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#endif
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/* The memory requirements for deflate are (in bytes):
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(1 << (windowBits+2)) + (1 << (memLevel+9))
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that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
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plus a few kilobytes for small objects. For example, if you want to reduce
|
||||
the default memory requirements from 256K to 128K, compile with
|
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make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
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Of course this will generally degrade compression (there's no free lunch).
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The memory requirements for inflate are (in bytes) 1 << windowBits
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that is, 32K for windowBits=15 (default value) plus a few kilobytes
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for small objects.
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*/
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/* Type declarations */
|
||||
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#ifndef OF /* function prototypes */
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#define OF(args) args
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#endif
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||||
/* Compile with -DZLIB_DLL for Windows DLL support */
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#if defined(ZLIB_DLL)
|
||||
# if defined(_WINDOWS) || defined(WINDOWS)
|
||||
# ifdef FAR
|
||||
# undef FAR
|
||||
# endif
|
||||
# include <windows.h>
|
||||
# define ZEXPORT WINAPI
|
||||
# ifdef WIN32
|
||||
# define ZEXPORTVA WINAPIV
|
||||
# else
|
||||
# define ZEXPORTVA FAR _cdecl _export
|
||||
# endif
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if defined (__BEOS__)
|
||||
# if defined (ZLIB_DLL)
|
||||
# define ZEXTERN extern __declspec(dllexport)
|
||||
# else
|
||||
# define ZEXTERN extern __declspec(dllimport)
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#ifndef ZEXPORT
|
||||
# define ZEXPORT
|
||||
#endif
|
||||
#ifndef ZEXPORTVA
|
||||
# define ZEXPORTVA
|
||||
#endif
|
||||
#ifndef ZEXTERN
|
||||
# define ZEXTERN extern
|
||||
#endif
|
||||
|
||||
#ifndef FAR
|
||||
# define FAR
|
||||
#endif
|
||||
|
||||
#if !defined(MACOS) && !defined(TARGET_OS_MAC)
|
||||
typedef unsigned char Byte; /* 8 bits */
|
||||
#endif
|
||||
typedef unsigned int uInt; /* 16 bits or more */
|
||||
typedef unsigned long uLong; /* 32 bits or more */
|
||||
|
||||
typedef Byte FAR Bytef;
|
||||
typedef char FAR charf;
|
||||
typedef int FAR intf;
|
||||
typedef uInt FAR uIntf;
|
||||
typedef uLong FAR uLongf;
|
||||
|
||||
typedef void FAR *voidpf;
|
||||
typedef void *voidp;
|
||||
|
||||
#ifdef HAVE_UNISTD_H
|
||||
# include <sys/types.h> /* for off_t */
|
||||
# include <unistd.h> /* for SEEK_* and off_t */
|
||||
# define z_off_t off_t
|
||||
#endif
|
||||
#ifndef SEEK_SET
|
||||
# define SEEK_SET 0 /* Seek from beginning of file. */
|
||||
# define SEEK_CUR 1 /* Seek from current position. */
|
||||
# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
|
||||
#endif
|
||||
#ifndef z_off_t
|
||||
# define z_off_t long
|
||||
#endif
|
||||
|
||||
#endif /* _ZCONF_H */
|
192
console/szlib/zlib.h
Normal file
192
console/szlib/zlib.h
Normal file
@ -0,0 +1,192 @@
|
||||
/* zlib.h -- interface of the 'zlib' general purpose compression library
|
||||
version 1.1.4, March 11th, 2002
|
||||
|
||||
Copyright (C) 1995-2002 Jean-loup Gailly and Mark Adler
|
||||
|
||||
This software is provided 'as-is', without any express or implied
|
||||
warranty. In no event will the authors be held liable for any damages
|
||||
arising from the use of this software.
|
||||
|
||||
Permission is granted to anyone to use this software for any purpose,
|
||||
including commercial applications, and to alter it and redistribute it
|
||||
freely, subject to the following restrictions:
|
||||
|
||||
1. The origin of this software must not be misrepresented; you must not
|
||||
claim that you wrote the original software. If you use this software
|
||||
in a product, an acknowledgment in the product documentation would be
|
||||
appreciated but is not required.
|
||||
2. Altered source versions must be plainly marked as such, and must not be
|
||||
misrepresented as being the original software.
|
||||
3. This notice may not be removed or altered from any source distribution.
|
||||
|
||||
Jean-loup Gailly Mark Adler
|
||||
jloup@gzip.org madler@alumni.caltech.edu
|
||||
|
||||
|
||||
The data format used by the zlib library is described by RFCs (Request for
|
||||
Comments) 1950 to 1952 in the files ftp://ds.internic.net/rfc/rfc1950.txt
|
||||
(zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format).
|
||||
*/
|
||||
|
||||
#ifndef _ZLIB_H
|
||||
#define _ZLIB_H
|
||||
|
||||
#include "zconf.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#define ZLIB_VERSION "1.1.4"
|
||||
|
||||
typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size));
|
||||
typedef void (*free_func) OF((voidpf opaque, voidpf address));
|
||||
|
||||
struct internal_state;
|
||||
|
||||
typedef struct z_stream_s {
|
||||
Bytef *next_in; /* next input byte */
|
||||
uInt avail_in; /* number of bytes available at next_in */
|
||||
uLong total_in; /* total nb of input bytes read so far */
|
||||
|
||||
Bytef *next_out; /* next output byte should be put there */
|
||||
uInt avail_out; /* remaining free space at next_out */
|
||||
uLong total_out; /* total nb of bytes output so far */
|
||||
|
||||
char *msg; /* last error message, NULL if no error */
|
||||
struct internal_state FAR *state; /* not visible by applications */
|
||||
|
||||
alloc_func zalloc; /* used to allocate the internal state */
|
||||
free_func zfree; /* used to free the internal state */
|
||||
voidpf opaque; /* private data object passed to zalloc and zfree */
|
||||
|
||||
int data_type; /* best guess about the data type: ascii or binary */
|
||||
uLong adler; /* adler32 value of the uncompressed data */
|
||||
uLong reserved; /* reserved for future use */
|
||||
} z_stream;
|
||||
|
||||
typedef z_stream FAR *z_streamp;
|
||||
|
||||
/* constants */
|
||||
|
||||
#define Z_NO_FLUSH 0
|
||||
#define Z_PARTIAL_FLUSH 1 /* will be removed, use Z_SYNC_FLUSH instead */
|
||||
#define Z_SYNC_FLUSH 2
|
||||
#define Z_FULL_FLUSH 3
|
||||
#define Z_FINISH 4
|
||||
/* Allowed flush values; see deflate() below for details */
|
||||
|
||||
#define Z_OK 0
|
||||
#define Z_STREAM_END 1
|
||||
#define Z_NEED_DICT 2
|
||||
#define Z_ERRNO (-1)
|
||||
#define Z_STREAM_ERROR (-2)
|
||||
#define Z_DATA_ERROR (-3)
|
||||
#define Z_MEM_ERROR (-4)
|
||||
#define Z_BUF_ERROR (-5)
|
||||
#define Z_VERSION_ERROR (-6)
|
||||
/* Return codes for the compression/decompression functions. Negative
|
||||
* values are errors, positive values are used for special but normal events.
|
||||
*/
|
||||
|
||||
#define Z_NO_COMPRESSION 0
|
||||
#define Z_BEST_SPEED 1
|
||||
#define Z_BEST_COMPRESSION 9
|
||||
#define Z_DEFAULT_COMPRESSION (-1)
|
||||
/* compression levels */
|
||||
|
||||
#define Z_FILTERED 1
|
||||
#define Z_HUFFMAN_ONLY 2
|
||||
#define Z_DEFAULT_STRATEGY 0
|
||||
|
||||
#define Z_BINARY 0
|
||||
#define Z_ASCII 1
|
||||
#define Z_UNKNOWN 2
|
||||
/* Possible values of the data_type field */
|
||||
|
||||
#define Z_DEFLATED 8
|
||||
/* The deflate compression method (the only one supported in this version) */
|
||||
|
||||
#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */
|
||||
|
||||
#define zlib_version zlibVersion()
|
||||
/* for compatibility with versions < 1.0.2 */
|
||||
|
||||
// basic functions
|
||||
|
||||
ZEXTERN const char * ZEXPORT zlibVersion OF((void));
|
||||
|
||||
ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush));
|
||||
|
||||
ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm));
|
||||
|
||||
// The following functions are needed only in some special applications.
|
||||
|
||||
ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm));
|
||||
|
||||
// utility functions
|
||||
|
||||
typedef voidp gzFile;
|
||||
|
||||
ZEXTERN gzFile ZEXPORT gzopen OF((const char *path, const char *mode));
|
||||
|
||||
ZEXTERN gzFile ZEXPORT gzdopen OF((int fd, const char *mode));
|
||||
|
||||
ZEXTERN int ZEXPORT gzread OF((gzFile file, voidp buf, unsigned len));
|
||||
|
||||
ZEXTERN int ZEXPORT gzwrite OF((gzFile file,
|
||||
const voidp buf, unsigned len));
|
||||
ZEXTERN int ZEXPORTVA gzprintf OF((gzFile file, const char *format, ...));
|
||||
|
||||
ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s));
|
||||
|
||||
ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len));
|
||||
|
||||
ZEXTERN int ZEXPORT gzputc OF((gzFile file, int c));
|
||||
|
||||
ZEXTERN int ZEXPORT gzgetc OF((gzFile file));
|
||||
|
||||
ZEXTERN int ZEXPORT gzflush OF((gzFile file, int flush));
|
||||
|
||||
ZEXTERN z_off_t ZEXPORT gzseek OF((gzFile file,
|
||||
z_off_t offset, int whence));
|
||||
|
||||
ZEXTERN int ZEXPORT gzrewind OF((gzFile file));
|
||||
|
||||
ZEXTERN z_off_t ZEXPORT gztell OF((gzFile file));
|
||||
|
||||
ZEXTERN int ZEXPORT gzeof OF((gzFile file));
|
||||
|
||||
ZEXTERN int ZEXPORT gzclose OF((gzFile file));
|
||||
|
||||
ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum));
|
||||
|
||||
/* checksum functions */
|
||||
|
||||
ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len));
|
||||
|
||||
ZEXTERN uLong ZEXPORT crc32 OF((uLong crc, const Bytef *buf, uInt len));
|
||||
|
||||
/* various hacks, don't look :) */
|
||||
|
||||
ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm,
|
||||
const char *version, int stream_size));
|
||||
ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int windowBits,
|
||||
const char *version, int stream_size));
|
||||
#define inflateInit(strm) \
|
||||
inflateInit_((strm), ZLIB_VERSION, sizeof(z_stream))
|
||||
#define inflateInit2(strm, windowBits) \
|
||||
inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))
|
||||
|
||||
|
||||
#if !defined(_Z_UTIL_H) && !defined(NO_DUMMY_DECL)
|
||||
struct internal_state {int dummy;}; /* hack for buggy compilers */
|
||||
#endif
|
||||
|
||||
ZEXTERN const char * ZEXPORT zError OF((int err));
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _ZLIB_H */
|
Loading…
x
Reference in New Issue
Block a user